Gene 'dark matter' controls embryo lung growthOnly about two percent of our genome converts into proteins. A much higher percentage is transcribed into RNA — sometimes referred to as "genomic dark matter." Given the vast amount of RNA, scientists believe it must impact fetal development.

'The Pill for Males' is still not ready"The Pill" for men will have to wait a while longer. New research suggests that hormonal male contraception affecting testosterone does not end production or release of sperm.